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雅思A类小作文 Bricks Manufactured 流程图类

You should spend about 20 minutes on this task.

The diagram below shows the process by which bricks are manufactured for the building industry.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

Write at least 150 words.

 

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The picture illustrates how bricks are produced.

The process begins when clay is dug out through the use of a digger, which is followed by clay passing through a metal grid. Fine clay is then carried by a roller after which sand and water are added to it. In the next stage, either this mixture is pressed through a frame and cut into bricks using a wire cutter, or it is put into moulds and formed into bricks. Following that, the bricks are dried in a drying oven for one to two days. The next three stages involve two kilns connected to a cooling chamber. The dried bricks are first heated from 200 to 980 degrees centigrade, before being exposed to high temperature (870 to 1300 degrees). They are then cooled within 48 to 72 hours. Eventually, they are packed and delivered to customers by trucks.

Overall, the procedure of producing bricks is comprised of ten stages which are rather simple.

(161 words)

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